Mangal, S.K.; Mangal, Shubhra <br/><br/>
Essentials of educational technology and management  (English) 

 - Meerut, U.P.  Loyal Book Depot  2010 
 - 292p. 
<br/><br/><label>ISBN: </label>817571225 
<br/><br/><label>Dewey Class. No.: </label>371.33  / MAN-E